Finding the Fourth Proportional to 16,128,342,139.20, 24,192,513,208.80 and 5,087,974,228.80
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Solution
The fourth proportional to 16,128,342,139.20, 24,192,513,208.80 and 5,087,974,228.80 is: 7,631,961,343.20
Step by Step Solution
- Step 1: Write the proportion equation
16,128,342,139.20 : 24,192,513,208.80 = 5,087,974,228.80 : x - Step 2: Convert to fraction form
16,128,342,139.20/24,192,513,208.80 = 5,087,974,228.80/x - Step 3: Cross multiply
16,128,342,139.20x = 24,192,513,208.80 × 5,087,974,228.80 - Step 4: Simplify right side
16,128,342,139.20x = 123,090,883,736,277,991,424 - Step 5: Solve for x
x = 123,090,883,736,277,991,424/16,128,342,139.20 - Step 6: Final answer
x = 7,631,961,343.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.